Vols. 3-4 have title: Histoire naturelle des serpens
Originally published in 4to format, in 2 v., with publication dates 1788 and 1789. Vols. 1-2 of the 12mo ed. correspond to v. 1 of the 4to ed
For description of the history of this ed., see C. Wood, p. 424; L. M. Klauber in Herpetologica, v. 2, no. 7/8 (Apr. 20, 1945), p. 162 and v. 3, no. 1 (Nov. 21, 1945), p. 19